Can you go over some details of what you were doing that led to this error? At first glance, it seems very closely related to bug 1741447. Before marking this one as a duplicate, I want to ensure it is about the same thing.
** Tags added: 16.04 zesty ** Tags removed: zesty -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1750269 Title: Graphics driver problem To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1750269/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp